C#实现读取和设置文件与文件夹的权限

        /// <summary>
        /// 读取文件、文件夹权限
        /// </summary>
        /// <param name="path"></param>
        private void ReadPathRule(string path)
        {
            DirectoryInfo di = new DirectoryInfo(path);
            DirectorySecurity ds = di.GetAccessControl(AccessControlSections.All);
            foreach (FileSystemAccessRule rule in ds.GetAccessRules(true, true, typeof(System.Security.Principal.NTAccount)))
            {
                Console.WriteLine("----------------------------------");
                Console.WriteLine(rule.IdentityReference.Value);
                if ((rule.FileSystemRights & FileSystemRights.Read) != 0)
                    Console.WriteLine(rule.FileSystemRights.ToString());
            }
        }

        /// <summary>
        /// 为文件添加users，everyone用户组的完全控制权限
        /// </summary>
        /// <param name="filePath"></param>
        static void AddSecurityControll2File(string filePath)
        {
 
            //获取文件信息
            FileInfo fileInfo = new FileInfo(filePath);
            //获得该文件的访问权限
            System.Security.AccessControl.FileSecurity fileSecurity = fileInfo.GetAccessControl();
            //添加ereryone用户组的访问权限规则 完全控制权限
            fileSecurity.AddAccessRule(new FileSystemAccessRule("Everyone", FileSystemRights.FullControl, AccessControlType.Allow));
            //添加Users用户组的访问权限规则 完全控制权限
            fileSecurity.AddAccessRule(new FileSystemAccessRule("Users", FileSystemRights.FullControl, AccessControlType.Allow));
            //设置访问权限
            fileInfo.SetAccessControl(fileSecurity);
        }

        /// <summary>
        ///为文件夹添加users，everyone用户组的完全控制权限
        /// </summary>
        /// <param name="dirPath"></param>
        static void AddSecurityControll2Folder(string dirPath)
        {
            //获取文件夹信息
            DirectoryInfo dir = new DirectoryInfo(dirPath);
            //获得该文件夹的所有访问权限
            System.Security.AccessControl.DirectorySecurity dirSecurity = dir.GetAccessControl(AccessControlSections.All);
            //设定文件ACL继承
            InheritanceFlags inherits = InheritanceFlags.ContainerInherit | InheritanceFlags.ObjectInherit;
            //添加ereryone用户组的访问权限规则 完全控制权限
            FileSystemAccessRule everyoneFileSystemAccessRule = new FileSystemAccessRule("Everyone", FileSystemRights.FullControl, inherits, PropagationFlags.None, AccessControlType.Allow);
            //添加Users用户组的访问权限规则 完全控制权限
            FileSystemAccessRule usersFileSystemAccessRule = new FileSystemAccessRule("Users", FileSystemRights.FullControl, inherits, PropagationFlags.None, AccessControlType.Allow);
            bool isModified = false;
            dirSecurity.ModifyAccessRule(AccessControlModification.Add, everyoneFileSystemAccessRule, out isModified);
            dirSecurity.ModifyAccessRule(AccessControlModification.Add, usersFileSystemAccessRule, out isModified);
            //设置访问权限
            dir.SetAccessControl(dirSecurity);
        }

<Application x:Class="AdminLoadDemo.App"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:local="clr-namespace:AdminLoadDemo"
             Startup="Application_Startup">
    <Application.Resources>
         
    </Application.Resources>
</Application>

        private void Application_Startup(object sender, StartupEventArgs e)
        {
              /**
              * 当前用户是管理员的时候，直接启动应用程序
              * 如果不是管理员，则使用启动对象启动程序，以确保使用管理员身份运行
              */
             //获得当前登录的Windows用户标示
             System.Security.Principal.WindowsIdentity identity = System.Security.Principal.WindowsIdentity.GetCurrent();
             System.Security.Principal.WindowsPrincipal principal = new System.Security.Principal.WindowsPrincipal(identity);
            //判断当前登录用户是否为管理员
            if (principal.IsInRole(System.Security.Principal.WindowsBuiltInRole.Administrator))
            {
                //如果是管理员，则直接运行
                new MainWindow().Show();
            }
            else
            {
                //创建启动对象
                System.Diagnostics.ProcessStartInfo startInfo = new System.Diagnostics.ProcessStartInfo();
                startInfo.UseShellExecute = true;
                startInfo.WorkingDirectory = Environment.CurrentDirectory;
                startInfo.FileName = System.Diagnostics.Process.GetCurrentProcess().MainModule.FileName;
                //设置启动动作,确保以管理员身份运行
                startInfo.Verb = "runas";
                try
                {
                    System.Diagnostics.Process.Start(startInfo);
                }
                catch
                {
                    return;
                }
                //退出
                Environment.Exit(0);
            }